Home / 105,692,335.40-158,538,503.10-89,568,021.80

Finding the Fourth Proportional to 105,692,335.40, 158,538,503.10 and 89,568,021.80

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Solution

The fourth proportional to 105,692,335.40, 158,538,503.10 and 89,568,021.80 is: 134,352,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,692,335.40 : 158,538,503.10 = 89,568,021.80 : x
  2. Step 2: Convert to fraction form
    105,692,335.40/158,538,503.10 = 89,568,021.80/x
  3. Step 3: Cross multiply
    105,692,335.40x = 158,538,503.10 × 89,568,021.80
  4. Step 4: Simplify right side
    105,692,335.40x = 14,199,980,101,800,166
  5. Step 5: Solve for x
    x = 14,199,980,101,800,166/105,692,335.40
  6. Step 6: Final answer
    x = 134,352,032.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.